Urgent Evoke

A crash course in changing the world.

LEARN 4

Dams help manage water-A critical Resource

.Water is a critical resource.Without it, life could not exist and people could not survive. For more than 5000 years, dams have provided people with a reliable source of the water they needed to live. Dams have enabled to collect and store water when it is plentiful and then use it during DRY periods. Dams have been essential in the establishment and supporting Towns and Farms as well as providing food by Irrigation of CropLand. Today, Dams and reservoirs also help control flood waters to protect people and property, keep rivers navigable,provide alectricity from renewable energy for for Towns, and provide recreational opportunities such as fishing,comping and water sports.

Today more than 40000 large dams improve the living conditions of the World 's population that continues to grow at a rate of more than 100 million people per year. Yet,about 1.5 Billion people still do not have acces to reliable source of suitable drinking water and more than two dozen countries do not have enough water to properly sustain their population.

Increased Food production is only possible through improved irrigation, which frequently depends on diminishing ground water resources. Therefore Dams are needed now and into the foresseable future to improve the management of existing surface water resources. The availability of energy is essential for the Socia-Economic Development of a nation.

Dams provide domestic and individual water supply, energy, agricultural irrigation,industrial use, flood control and recreational opportunities, but there is a cost. Our quest to provide the growing world population with a better life means we will change the natural environment. Natural Resources will be used and the environment will be transformed to meet human needs.

People and other forms of life are inevitably effected when Dams and resorvoirs are built. Engineers must avoid or mitigate any environmental damage caused by the project.

1. Meeting for people's immediate needs for water

2. Long-Term supply of water and protection against pollution.

3. Dams and Reservoirs projects require system planning which recognizes the impact on an entire River basin and its Ecosystem.

3. Formal identification of environmental imputs during the conceptual phase of a project.

4. Rigorous Economic analyses of the benefits and costs of the a large projects.

5.Care planning and implementation

6.Public Consultation

7.Monitoring of the environmental imacts of existing projects.

8. Research on Ecological aspects.

Developers of the Project or Planners need to:

Go To The People

Live With Them

Love Them

Learn From Them

Work with Them

Start with What They Have

Build on What They Know

And in the End

When the Work is Done

The People will Rejoice

'We have done it Ourselves'

Adapted and Revised from Statistics Book.

Views: 20

Comment by ben on March 28, 2010 at 8:10am
You have a well balanced view here. I've always been sceptical about Dams myself, despite their obvious benefits for water and power provision.

One thought you haven't covered above and I would like your opinion on - What happens when one nations dam cuts the water supply to another? Not common but it does happen. As we move towards the realisation that water security is key to a nations wealth and survival we could well see greater use of dams as an aggressive measure in national security - look to Russia and the former Russian states and the natural gas pipeline disputes.

+1 for KS - a very good blog
Comment by Bongumusa on March 28, 2010 at 11:52am
An alternative : that nation would need to depends on water which is drained under-ground, use of resrvoirs. Collect water from big Rivers and store it for further processing of purification. Pipelines can be used very effectively during water storage and supply.
Comment by Bongumusa on March 28, 2010 at 1:03pm
Go to http://www.coega.com to get more details.
Comment by Evo on March 30, 2010 at 1:34am
I do worry about the others downriver from the dams....are we stopping all of our rivers? What has been the impact of large dams in China, the US and other countries? I'm in favor of hydroelectric uses that help purify and aerate the water as long as the water supply is not threatened for others.
Comment by Ternura Rojas on March 30, 2010 at 2:02pm
Hi, thanks for inviting me. I gave you a local insight power becuase it looks like you know about the subject. Very well done stressing out the "sustainable" part fo any engineering project! HSEQ is a way of life and not just a management system I guess ;-)

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